These birthday cake cookies are jam packed with colorful jimmy sprinkles and a ton of flavor just like your favorite birthday cake! Made in just 30 minutes with no chill time, these sprinkle cookies are easily made from scratch and will be a big hit at your next birthday party!
Preheat the oven to 350° F and line 2 cookie sheets with parchment paper.
In a medium sized microwave safe bowl melt 1/2 cup butter. Add the 2/3 cup brown sugar and 2 tbsp white sugar and mix till smooth.
Add the 2 egg yolks and 1 tsp vanilla extract and mix again
Add in the 1 3/4 cups flour, 1/4 tsp baking powder, 1/2 tsp baking soda, and 1/4 tsp kosher salt and stir till dough forms.
Stir in 1/2 cup of the sprinkles.
Scoop out the dough using a 3 tbsp cookie scoop, or using two tablespoons for one cookie dough ball.
On a plate, pour the remaining 1/2 cup sprinkles. Roll each cookie dough ball into the sprinkles.
Place 6 on a cookie sheet leaving 1.5 inch space between each one and bake for 14 minutes or until the bottom of the cookie is golden brown.
Cool for 5 minutes on the cookie sheet then transfer to a wire rack.
To make perfectly round cookies- immediately after baking place a cookie cutter or bowl that is larger than the cookie and move your hand in a fast circular motion to round the cookies into perfect circles.
Notes
You can make the cookies smaller by using a smaller cookie scoop. Bake for 12 minutes. This recipe can also easily be doubled.